On a cold night in March 1984, a few miles off the south coast of Iceland, a fishing boat sank with all its men. One of the crew miraculously managed to survive. After five hours in the ocean, the exhausted man washed ashore, only to find himself on a deadly, uninhabited lava field.
Based on an astonishing true incident, 'The Deep' is the tale of an ordinary man whose will to live made him both an inexplicable scientific phenomenon and a reluctant national hero.
And HuffPostUK has an exclusive clip - WATCH ABOVE.
'The Deep' is in cinemas from 12 July. It's directed by Baltasar Kormákur, who's also helmed the forthcoming '2 Guns' starring Mark Wahlberg and Denzel Washington. Watch the trailer below...